CHARACTERIZATION OF A-319 ALUMINUM THROUGH THE ADDITION OF MASTER ALLOY AL-MG-CE APPLYING MECHANICAL AGITATION

• DOI: 10.22533/at.ed.3173232329065

• Palavras-chave: -

• Keywords: Al-Ce-Mg master alloy; Modification; Mechanical properties.

• Abstract:

  The influence of cerium (Ce) on the as-cast microstructure and mechanical properties of
  the A-319 alloy were investigated. The A-319 experimental alloys were prepared. The
  aluminum,magnesium, cerium master alloy was added into the molten bath The cerium
  content increased 0 to 0.12 wt.% after 15 min of treatment. To obtain kinetic
  information and metallographic, samples were analyzed by using Scanning Electron
  Microscope (SEM) respectively. Dross samples were taken and analyzed by X-ray
  diffraction (XRD) for the qualitative identification of the crystalline compounds. The
  tensile properties, including ultimate tensile strength, yield strength. Elongation and
  creep properties of the as-cast experimental alloys were established. This result indicate
  that the incorporation of Ce to the A-319 alloy cause change in the morphology and
  distribution of the phase. Nevertheless, the grain size tended to be effectively refined.
  Furthermore, adding 0.12 wt.% Ce to the A-319 alloy improves the tensile properties at
  room temperature.